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LIU Shiqi，WANG Yajing，MEI Yu，ZHANG Xiangke，SHI Yao，DOU Zhenhai
Abstract: In order to solve the problem of extracting harmonic parameters by noise interference Pronyalgorithm，a harmonic analysis method based on ensemble local mean decomposition（ELMD），singular valuedecomposition（SVD）and Prony was proposed. Firstly， the noisy signal was decomposed by ELMD，and thedemarcation point ...
更多Number of views：4571 Amount of downloads：7083
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WANG Xing，TAN Peixiao，CHENG Zhijiang，MAWanqing，TIAN Bo
Abstract: Retired power batteries have poor parameter consistency，when they are used for energy storageafter series and parallel connections，the barrel effect is obvious and the failure rate is high. So the improved modular multilevel H-bridge converter（MMHC）distributed energy storage based on modular multilevel con...
更多Number of views：4566 Amount of downloads：6918
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NIU Shengsuo，WU Zhenan，HUANG Shengpo
Abstract: The test of the internal cable conductivity of the traditional bullet train is time-consuming andlaborious，which increases the probability of false detection，seriously affects the accuracy and reliability of cabledetection results of bullet trains，and greatly reduces the safety and stability of bullet trai...
更多Number of views：4565 Amount of downloads：5997
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TIAN Kai，WANG Ziman，CHU Zilin，YU Zhibin，YUAN Yuan，SONG Peng
Abstract: A method to extract the equivalent thermal resistance parameters of double-sided water-cooledheatsink was proposed. Based on this method，the real-time calculation of junction temperature and overtemperature protection of integrated gate commutation transistor（IGCT）power device were implemented by the water...
更多Number of views：4563 Amount of downloads：6171
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FANG Biwu，XIAO Liang ，SUN Cheng，CHEN Yiping，XUE Yanjun，ZHANG Deliang
Abstract: In order to improve the absorption capacity of clean energy and make full use of the peak regulationresources of each province，the peak regulation capacity of different types of power sources was studied，and aregional power grid optimization dispatching method considering the mutual aid of peak regulation ...
更多Number of views：4535 Amount of downloads：6574
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HUANG Heyao，WANG Luyang，WU Jiaming，BAI Yang，DING Quan，BAI Hongshan
Abstract: Virtual synchronous generator technology can provide virtual inertia for the frequency stability ofmicrogrid，but there are a lot of asymmetric loads in the operation of microgrid. In order to compensate theunbalanced load and output three-phase symmetrical voltage and current，an improved control strategy b...
更多Number of views：4509 Amount of downloads：6754
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DAI Yemin，LI Yukun，LIN Shunfu，BIAN Xiaoyan，LI Dongdong
Abstract: With the wide application of new energy grid connection technology，a large number of powerelectronic devices are connected to the power grid，and the power quality is affected by harmonic interaction. Aiming at the harmonic interaction problem of multi-inverter grid-connected system，the multi-input and mult...
更多Number of views：4495 Amount of downloads：8250
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ZHOU Zhen，PENG Yuanxiu，LIU Bin，LI Xiaowen，ZHA Haitao
Abstract: In the isolated island operation mode of microgrid，the output power of distributed generation unitsin the system is difficult to distribute reasonably due to the difference of output line impedance，which affects thestability of the system. In order to realize the reasonable distribution of power according ...
更多Number of views：4491 Amount of downloads：7563
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KONG Fanting，WANG Yang，YANG Hao，CHEN Jian，LU Lin
Abstract: High-voltage/low-voltage prefabricated substation is short for“box substation”，its nature of savingenergy has been widely researched. The research have been from choosing components to optimizing structure. Agreat of improved products have swarmed into market. But there is neither a set of method to test l...
更多Number of views：4489 Amount of downloads：7034
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SONG Zhuoran，LI Jianfeng，JIANG Tao，DENG Xinyang，LIU Yu
Abstract: There are parameter identification errors in the process of distribution network synchronousmeasurement configuration. The optimal configuration method of distribution network synchronous measurementdevice based on parameter identification accuracy was studied. Based on the measurement data of the synchron...
更多Number of views：4482 Amount of downloads：6933
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ZHANG Yexin，DENG Yunchuan，LIU Zhigang，ZHANG Yuting，CHEN Tao，HUANG Ke
Abstract: When the high-speed electric multiple units（EMUs）pass through the long downslope route，speedlimit is required to meet the safety of train operation，the regenerative braking energy generated in this process isreturned to the traction network and may threaten the safety of power supply. At present，there are ...
更多Number of views：4480 Amount of downloads：7138
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WU Ming，LÜ Zhipeng，WANG Xin，YANG Wanli，ZHOU Shan，LIU Xiaojuan
Abstract: Multi-energy complementary DC micro-grid is of great significance to achieve sustainable energydevelopment. Based on the typical DC micro-grid with various energy forms including wind，solar，gas and battery，a multi-energy DC micro-grid operation control strategy considering the complementary inertia of gas ...
更多Number of views：4466 Amount of downloads：6978
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LI Qinzhao，ZHAO Xuemin
Abstract: When the microgrid is operating in island mode，the cascaded H-bridge（CHB）converter as aninterface device may need to be configured with a non-sinusoidal reference wave of pulse width modulation（PWM）when implementing auxiliary functions such as negative sequence compensation. In order to avoid overmodulatio...
更多Number of views：4463 Amount of downloads：7474
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JIN Yongchun，CHEN Li，ZOU Yusheng，DUAN Chengwu，YAO Jian
Abstract: Due to the advantages of high efficiency，wide speed range，high torque density and great controlperformance，permanent magnet synchronous motors（PMSM）have been widely used in driving systems of electric vehicles（EVs）. However，as the increase of power density，the problem of temperature rise caused by loss hea...
更多Number of views：4444 Amount of downloads：10991
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XU Qiongguo，ZHANG Weitao，LIU Guangwei，ZHOU Bin
Abstract: Independent DC microgrid with distributed power supply and energy storage system plays animportant role in improving power supply reliability. The energy scheduling optimization of DC microgrid underdifferent operating modes was discussed，including diesel generator，fuel cell，micro gas turbine，photovoltaic，...
更多Number of views：4432 Amount of downloads：7710
